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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-10-18 18:30:58 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-10-18 18:30:58 -0400 |
| commit | 77501f3cb648e18733509a951ed31eddd7ef2c0b (patch) | |
| tree | 82624caa354394df2422562bf6dda56a2c088704 /net/sched/Kconfig | |
| parent | 422fa08e538b649a9b80258950d2f8a202f45f19 (diff) | |
| parent | 59a10b172fccaea793352c00fd9065f0a5b4ef70 (diff) | |
| download | kernel_samsung_aries-77501f3cb648e18733509a951ed31eddd7ef2c0b.zip kernel_samsung_aries-77501f3cb648e18733509a951ed31eddd7ef2c0b.tar.gz kernel_samsung_aries-77501f3cb648e18733509a951ed31eddd7ef2c0b.tar.bz2 | |
Merge branch 'upstream'
Diffstat (limited to 'net/sched/Kconfig')
| -rw-r--r-- | net/sched/Kconfig | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sched/Kconfig b/net/sched/Kconfig index 45d3bc0..81510da 100644 --- a/net/sched/Kconfig +++ b/net/sched/Kconfig @@ -72,9 +72,11 @@ config NET_SCH_CLK_GETTIMEOFDAY Choose this if you need a high resolution clock source but can't use the CPU's cycle counter. +# don't allow on SMP x86 because they can have unsynchronized TSCs. +# gettimeofday is a good alternative config NET_SCH_CLK_CPU bool "CPU cycle counter" - depends on X86_TSC || X86_64 || ALPHA || SPARC64 || PPC64 || IA64 + depends on ((X86_TSC || X86_64) && !SMP) || ALPHA || SPARC64 || PPC64 || IA64 help Say Y here if you want to use the CPU's cycle counter as clock source. This is a cheap and high resolution clock source, but on some |